XFAIL tblgen tests on leak checkers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141533 91177308-0d34-0410-b5e6-96231b3b80d8

test/TableGen/ListOfList.td

@@ -1,6 +1,7 @@
 // RUN llvm-tblgen %s | FileCheck %s
 
 // RUN: llvm-tblgen %s | grep {foo} | count 1
+// XFAIL: vg_leak
 
 class Base<string t> {
   string text = t;

test/TableGen/LoLoL.td

@@ -1,4 +1,5 @@
 // RUN: llvm-tblgen %s | FileCheck %s
+// XFAIL: vg_leak
 
 class Base<list<int> v> {
   list<int> values = v;

test/TableGen/MultiPat.td

@@ -1,4 +1,5 @@
 // RUN: llvm-tblgen %s | FileCheck %s
+// XFAIL: vg_leak
 
 class ValueType<int size, int value> {
   int Size = size;